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BartSMP [9]
2 years ago
11

Factor 2xz - 3yz + 8x - 12y completely. If the polynomial is not factorable, write prime. SHOW YOUR WORK FOR FULL CREDIT!

Mathematics
2 answers:
Oduvanchick [21]2 years ago
6 0
Steps: Factor The Expression
2xz-3yz+8x-12y

Factor out z from the first 2 terms.
z*(2x-3y)+8x-12y.

Factor out 4 from the last 2 terms.
GCF of 8 and 12 is 4.
z*(2x-3y)+4(2x-3y)

Factor out 2x- 3y from the
expression.

(2x-3y)*(z+4)

Final Answer: (2x-3y)*(z+4)
Mars2501 [29]2 years ago
3 0
X57 I think no just doing this for points so made a random number lol
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zalisa [80]

Answer: (57.41,\ 62.19)

Step-by-step explanation:

Given : Sample size : n=40

Sample mean : \overline{x}=59.8\text{ seconds}

Standard deviation : \sigma =9.2\text{ seconds}

Significance level : \alpha=1-0.9=0.1

Critical value : z_{\alpha/2}=1.645

Formula to find the confidence interval for population mean :-

\overline{x}\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}\\\\=59.8\pm(1.645)\dfrac{9.2}{\sqrt{40}}\\\\\approx59.8\pm2.39\\\\=(59.8-2.39,\ 59.8+2.39)\\\\=(57.41,\ 62.19)

Hence, a 90​% confidence interval estimate of the population mean of all students = (57.41,\ 62.19)

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lozanna [386]
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3 years ago
SOMEONE PLEASE HELP ME ASAP PLEASE!!!!​
ehidna [41]

Answer:

Therefore,

a_{21}=2

Step-by-step explanation:

Given:

A=\left[\begin{array}{ccc}3&6&9\\2&4&8\\\end{array}\right]

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Answer:

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Step-by-step explanation:

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pentagon [3]

Answer:

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Step-by-step explanation:

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